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that a computer glitch is putting the mars rover "curiosity" science experiments on a bit of a hold right now. nasa says it is still in contact with its good friend rover up there and hopes to have it fully functioning this week but it comes after "curiosity" made the most significant discovery yet that by confirming the red planet had the ability to possibly support some forms of life. that is what they're always looking for up there on the red planet. casey stiegel is checking out all of this in dallas. why do they think they believe life could have existed up there? >> reporter: hey, martha, good morning. biased primarily on the existence of water. scientists long thought it was on the red planet but only in the form of ice and now "curiosity" is essentially proving that theory wrong. they have discovered a ancient network of rivers up there have dried up but areas were formed by running water, possibly more than three billion years ago? the rover has been drilling down into the martian surface as well and finding elements like carbon, nitrogen and oxygen, things that living organisms need
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